From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C2D95C79F99 for ; Mon, 7 Sep 2026 11:26:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=abUvMa8BzQUe5h2EdYZ/3YCzveUe87HSbkyIsTEkDsQ=; b=qR9g5ddZYA2GEf Y/tnGl8NgloFdbIOhXhYdmFvz6Dnqzx8QiuU8/npK8LZZmX2Hmj/SgtPTIFWjgrI65VzGa8r5UGp5 71okTg1E0chd/kzNWT0ygLoCQnzHBJMYd4Sjj29XIYsesdiZRTe5WQeUF8kep7Djp6DVwqu4w1uNA FNW6IWLH1JmOODR206Hnf55bujDsnWLIaTsHGWmzfkSsdSAjMn0BlJgrnX39sm/WicWkZ9L6Znvkn bW6ttdcNWgVPq1DlhEOjRWKpb5rzcRQkgaRFYvMRPv+YoPe3ZhEvDx5z4ZwAWf31G7kUo5nZL6eia b/GwI05NkXm9nxsA/0pQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x3XUt-00000006e92-1LFL; Mon, 07 Sep 2026 11:26:47 +0000 Received: from mail-pl1-x629.google.com ([2607:f8b0:4864:20::629]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x3XUr-00000006e7i-0axT for linux-riscv@lists.infradead.org; Mon, 07 Sep 2026 11:26:46 +0000 Received: by mail-pl1-x629.google.com with SMTP id d9443c01a7336-2d9db539a54so27031675ad.0 for ; Mon, 07 Sep 2026 04:26:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1788780404; x=1789385204; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=D4ROjh0Txn+cURQwAkggsPhj+gLlvJP/O4avQg1uNi4=; b=UOMm1DGr7C85dkBYZcL7W3W4383LN5pFqW24fby068/8DHK1aVqXXx/lRtDu7KF1oL tIhyajdU1CbUfi3W4DvuGkz2Ad26KyWpscJXSOmRIN9s6RmAI76/J5dqXzHi0U07IBi6 ILodWCU9a08RFu3C7hFY6tz8KBH35N5XSgfDeXynKUE+h0gAEGtS/Y9f8TS9eZsIPJq2 434AQODRoU5DoN34apks/UqkQmcTmFNdyRK1q78Itkt+WYFihHsYLbEh1ybjI037s9mP csHI6S+/XHlR4FcEIgGHcuvvr+pwbUKcGv+kE7rDGDE4FsVfikjDNmmEpupSbHsdF/s4 XnsQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788780404; x=1789385204; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=D4ROjh0Txn+cURQwAkggsPhj+gLlvJP/O4avQg1uNi4=; b=sIy+NZs45jL+NtI8uSlEnWqFTYNzbzcr1DzhBfBSWM57jkT6uTXTBqDMjBOTKzcGqQ B6qobiSko/97YBo3j721FfmymWqu0fHlht9MLiXQfxo5c37qec3bFAzHQFGFQVoSfaZO Q/8fWe1DqLHsIEHPHksFb/HDIID3hvuJeat6U5NFNng5/PNgLkm1ti5TGwESQK6Jpmg0 H/SvcGQLs4ipSXLplEHzTy5rPccLX54j3desldXxFpSag7unyyJh2cMAXIbcYEcMY976 CtcYBxVtMG2PHeDjvUOYhcBHVPnb67WA5bqJumeq18uJdZLXNUa/XEC1E24foKsh+aF1 WqDQ== X-Forwarded-Encrypted: i=1; AKwUvBzQR86PcdixmLbO+BDxGndwZqMDqQ9iCJPanzojNMR+QN/PFLXA7BpKbRgF+y5n1VEGWb/hOyVT1c5wuQ==@lists.infradead.org X-Gm-Message-State: AFuF++lZJnrK9Os9FJbj2u2jeE5LPx2x9oQPxbPK3Dv0meSYGkJZZvGT 6RpwPigwcciTAf6aLTW0gaEgyN8m6ggXteVJti+xco+i1ATvIozEhPub X-Gm-Gg: AYBFou2dmcG+4pq8ReD5LqmmD7Ws7wYlkmx+tgst0/p2jRsBNrelp2qY9RxFS1q9i3t kSTYpk/T1K3xya6bsSIB0+d/0IpUWuxP4GrcKAWd6KGxPk+BH74Cm0RbpzA+rEnizRjeRXwV4aX wr5zjaUahJWidQlOwrHSsU+NI6Byzdopk4ncGjoGm2nxALKk+vVclqtQbQfgGhtBzv1OcBxtyLp Factf4vrinqsHfUd1xUQIHn8y1AD5rI99pckyDl7CnFk3Ec/ChtMhJ0uEO0qz6STHSFSlTQX40i 2k6k9WMZcaNnLif+zczz9dsbuw4JfKD1h631pftLDa0UyaWhGyYKXQ7q1DR5rNlQH1haYvjVHRL Vi0gaI3JSmNTIPPhCS9NMWEhdwGpCs2aVpbybvVDVyeYHkdusz4g3iJnfx1iwu3Rk60Pdu9q3WT LfFPyhupkgAalGN0B/lWk/S+MouQZKXmm/0EyP X-Received: by 2002:a17:903:2c6:b0:2d8:d4d3:da50 with SMTP id d9443c01a7336-2db126aae2dmr385170325ad.20.1788780404053; Mon, 07 Sep 2026 04:26:44 -0700 (PDT) Received: from localhost ([2001:da8:7001:11::cb]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2db1499dad4sm44234655ad.55.2026.09.07.04.26.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Sep 2026 04:26:43 -0700 (PDT) From: Inochi Amaoto To: Jingoo Han , Manivannan Sadhasivam , Lorenzo Pieralisi , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Rob Herring , Bjorn Helgaas , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Frank Li , Niklas Cassel , Sherry Sun , Arnd Bergmann , Christian Bruel , Krishna Chaitanya Chundru , Senchuan Zhang , Inochi Amaoto , Alex Elder , Xincheng Zhang , Randolph Lin , Siddharth Vadapalli , Andy Shevchenko , Vidya Sagar , Neil Armstrong , Danilo Krummrich , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig=20=28The=20Capable=20Hub=29?= , Pengpeng Hou , Anirudh Srinivasan , Gustavo Pimentel Cc: linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, Yixun Lan , Longbin Li Subject: [PATCH v5 3/6] PCI: spacemit-k1: Add device id update helper Date: Mon, 7 Sep 2026 19:26:02 +0800 Message-ID: <20260907112606.465778-4-inochiama@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260907112606.465778-1-inochiama@gmail.com> References: <20260907112606.465778-1-inochiama@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260907_042645_213074_92BF403B X-CRM114-Status: GOOD ( 13.34 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Both K1 and K3 need to set vendor id and device id, add a helper function to simplify this. Signed-off-by: Inochi Amaoto --- drivers/pci/controller/dwc/pcie-spacemit-k1.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-spacemit-k1.c b/drivers/pci/controller/dwc/pcie-spacemit-k1.c index 1049391beee8..c610b367412a 100644 --- a/drivers/pci/controller/dwc/pcie-spacemit-k1.c +++ b/drivers/pci/controller/dwc/pcie-spacemit-k1.c @@ -52,6 +52,7 @@ struct k1_pcie_device_data { const struct dw_pcie_ops *ops; int (*parse_port)(struct k1_pcie *k1); unsigned int max_phy_count; + unsigned int device_id; }; struct k1_pcie { @@ -151,6 +152,16 @@ static void k1_pcie_disable_aspm_l1(struct k1_pcie *k1) dw_pcie_dbi_ro_wr_dis(pci); } +static void k1_pcie_set_device_id(struct k1_pcie *k1) +{ + struct dw_pcie *pci = &k1->pci; + + dw_pcie_dbi_ro_wr_en(pci); + dw_pcie_writew_dbi(pci, PCI_VENDOR_ID, PCI_VENDOR_ID_SPACEMIT); + dw_pcie_writew_dbi(pci, PCI_DEVICE_ID, k1->data->device_id); + dw_pcie_dbi_ro_wr_dis(pci); +} + static int k1_pcie_init(struct dw_pcie_rp *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); @@ -166,10 +177,7 @@ static int k1_pcie_init(struct dw_pcie_rp *pp) return ret; /* Set the PCI vendor and device ID */ - dw_pcie_dbi_ro_wr_en(pci); - dw_pcie_writew_dbi(pci, PCI_VENDOR_ID, PCI_VENDOR_ID_SPACEMIT); - dw_pcie_writew_dbi(pci, PCI_DEVICE_ID, PCI_DEVICE_ID_SPACEMIT_K1); - dw_pcie_dbi_ro_wr_dis(pci); + k1_pcie_set_device_id(k1); /* * Start by asserting fundamental reset (drive PERST# low). The @@ -369,6 +377,7 @@ static const struct k1_pcie_device_data k1_pcie_device_data = { .ops = &k1_pcie_ops, .parse_port = k1_pcie_parse_port, .max_phy_count = 1, + .device_id = PCI_DEVICE_ID_SPACEMIT_K1, }; static const struct of_device_id k1_pcie_of_match_table[] = { -- 2.55.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv